Jason Klein is the Senior Vice President and Chief Investment Officer for Memorial Sloan Kettering Cancer Center, which he joined in 2008 to create the Investments Office. Klein oversees $9 billion in long-term global investment assets and leads asset allocation, manager selection, and risk management efforts. The MSK investments team has achieved peer-based recognition for innovation, portfolio construction, and investment achievement.

An active member of the endowment and foundation investment community, Klein is a member of the investment committees of Oxford University and the College Board and a member of the Investment Advisory Group of The Council on Foreign Relations. He is a current member of the Global Capital Markets Advisory Council for The Milken Institute and a former member of the investment committee of Wesleyan University. Klein is a member of The Council on Foreign Relations and The Economic Club of New York.

Previously, Klein was the CIO for The Museum of Modern Art and a Vice President and Principal in the private equity division of Lehman Brothers. He earned an MBA from Wharton, a JD from The University of Pennsylvania Law School, and a BA from Wesleyan University.